for i=1,10 do 
	io.write('/') 
end
io.write('\n')


for i=1,10 do
        for i=1,i do 
		io.write(' ')
	end
	for j=1+i,10+i do
		if(j==1+i) then
			io.write('/')
		elseif(j==10+i) then
			io.write('/')
		else 
			io.write(' ')
		end
       	end
	io.write('\n')
end

for i=1,11 do 
	io.write(' ')
end

for i=1,10 do 
	io.write('/') 
end
io.write('\n')

